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1939914347 = 72699102679
BaseRepresentation
bin111001110100000…
…1011111001101011
312000012021212012112
41303220023321223
512433104224342
6520255032535
766033666650
oct16350137153
95005255175
101939914347
119060383a8
1246180b74b
1324bb9a417
141458d7c27
15b5494682
hex73a0be6b

1939914347 has 8 divisors (see below), whose sum is σ = 2217888000. Its totient is φ = 1662151464.

The previous prime is 1939914289. The next prime is 1939914359. The reversal of 1939914347 is 7434199391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1939914347 - 214 = 1939897963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1939914295 and 1939914304.

It is not an unprimeable number, because it can be changed into a prime (1939914367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32447 + ... + 70232.

It is an arithmetic number, because the mean of its divisors is an integer number (277236000).

Almost surely, 21939914347 is an apocalyptic number.

1939914347 is a deficient number, since it is larger than the sum of its proper divisors (277973653).

1939914347 is a wasteful number, since it uses less digits than its factorization.

1939914347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105385.

The product of its digits is 734832, while the sum is 50.

The square root of 1939914347 is about 44044.4587547628. The cubic root of 1939914347 is about 1247.1753492464.

The spelling of 1939914347 in words is "one billion, nine hundred thirty-nine million, nine hundred fourteen thousand, three hundred forty-seven".

Divisors: 1 7 2699 18893 102679 718753 277130621 1939914347